Human beings make themselves different from other animals by ________.
[A] having the ability to perceive danger [C] having the ability to recognize faces and places on sight
[B] having a far greater memory capacity [D] having the ability to draw on past experiences

A．Human beings make themselves different from other animals by ________.
B．having the ability to perceive danger
C．having a far greater memory capacity
D．having the ability to recognize faces and places on sight
E．having the ability to draw on past experiences